Home / 6,691.21-10,037.13-5,519.04

Finding the Fourth Proportional to 6,691.21, 10,037.13 and 5,519.04

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Solution

The fourth proportional to 6,691.21, 10,037.13 and 5,519.04 is: 8,278.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.21 : 10,037.13 = 5,519.04 : x
  2. Step 2: Convert to fraction form
    6,691.21/10,037.13 = 5,519.04/x
  3. Step 3: Cross multiply
    6,691.21x = 10,037.13 × 5,519.04
  4. Step 4: Simplify right side
    6,691.21x = 55,395,294.66
  5. Step 5: Solve for x
    x = 55,395,294.66/6,691.21
  6. Step 6: Final answer
    x = 8,278.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.